Tool



W. A. FINDLEY.

TOOL.

APPucATloN HLED Nov.18, 1919.

1,351,947, Pandsepn 7, 19211.

UNITED STATES WILLIAM A. FINDLEY, OF SAN FRANCISCO, CALIFORNIA.

TOOL.

Specification of Letters Patent.

Patented. Sept. 7, 19520.

Application inea November is, 1919. serial No. 338,970.

To all lwho/1a t may concern:

Be it lrnown that I, VILLIAM A. F INDLEY,

ka citizen of the United States residin@` in the city and county ot' SanF rancisco and St-ate of California, have invented a certain new anduseful lmprovement in rlools, or which the following is a specification.

ldy invention Arelates to improvements in tools of the class used forbeveling, expanding and bending the ends of boiler tubes into boilerheads wherein a reciprocating ham- .mer is provided with a plurality ofshoulders adapted to successively bevel, expand and bead the end of aboiler tube and operates in conjunction with means for holding saidhammer to the work.

'llhe primary object of the present invention is to provide improvedmeans for suecessively beveling, expanding and beading the ends of theboiler tubes and the like.

. A further object oit the present invention is to provide a new andimproved tool adapted to bevel, expand and bead the ends ol the boilertubes and the like.

Another object of the present invention is to` provide an improved tooladapted to be reciprocated by a pneumatic hammer or the like and havinga plurality ofshoulders by means of which, when used successively,boiler tubes may be effectively secured within a boiler head. i

A still further object of the present invention is to provide animproved tool of the character descril'ied having means for holding thesaid tool up to the worl being performed. i Y Y .lt is a still furtherobject to provide an improved reciprocatory tool ot the characterdescribed having` improved means 'for normally preventing the rotationorp said tool whereby the proper shoulder may be held to the work andthereby prevent mar# ring of the end of said tube.

l accomplish these several objects by means of the improved devicedisclosed in the drawings forming a part of the present specificationwherein like characters of referenceare used to designate similar partsthroughout the said specifications and drawings,` and in which: v

Figure l is a broken sectional view of a portion' of a tube and boilerhead disclosing the application of my improved tool during the bevelingprocess;

Fig. 2 -is a similar view disclosing the position of the tool during theexpanding process;

Fig. 3 is also a similar view disclosing the position of the tool duringthe beading process;

Fig. L is an end elevation of Fig. l; and

Fig. 5 is a transverse sectional View on line 5 5 of Fig'l in thedirection indicated, disclosing the opposite end olf the tool ifrom thatdisclosed in Fig. 1l.

'lle'.errino` to the drawings the numeral lA is used to designate a corehaving a longitudinally disposed bore 2 opening on one side thereof. Thecore l is also provided on one end thereof with a Hat longitudinallydisposed surface 3 having an arcuate groove 4i therein, said groove 4ihaving an enlarged portion G the purpose of which wil hereinalter bemore iully described.

A latch or lug 7 is pivotally mounted upon the core l as at S and is pr.f'idcd with an extension 9 bearing against a longitluliually disposedspring .ll secured to the core l and having a lateral extension l2extending into the longitudinal bore 2 of said core l. llllhcn the corel is inserted within the end of the tube la the lug 7 engages the outersurface of a boiler head or plate 16 and thereby presents a resilientresistance to longitudinal movement of the core l within the tube 14.

Silidably and rotatably mounted within the bore. 2 of the core l, andwith the inner end thereof r sting against the extension l2 olthe'spring ll is a reciprocatory hammer l? having an enlarged portion l5provided with a beveling shoulder 19, an expanding shoulder 19 andbeading shoulder or ef;- tension 20 allY arranged in substantially thesame place, the hammerli- 'is also provide-:l with a hexagonal extension2l adapted to be engaged by a pneumatic hammer or the like not shown.

The enlarged portion l5 is also provided with beveled lugs 22 whichnormally engage the flat surface 3 of the core l while the intermediateportions ot said enlarged portion l5 slidably engages the groove 4l;adjacent said il at surface By moving the enlarged portion l5 of thehammer li' opposite the enlarged portion 6 oit the groove 4. the hammer17 may be rotated, moving one of said lugs 22 through said enlargedportion 6 until the required shoulder is in position to engage the endof the tube la.

prising a slidable and rotative hammer having a plurality ol shouldersthereon adapted to successively bevel, expand and bead the end of a tubeonto a boiler head or the like; a core having a bore on one side thereofto slidably and rotatably hold said hammer Within said tube and adjacentthe internal Wall thereof; and a resilient shim detachably connected tothe core and adapted to engage one portion or' the interior Wall of thetube and retain the core and hammer therein against the opposite Wallot' said tube.

5. A tool of the character described comprising a core adapted forinsertion Within the end of a tube or the like and having a.longitudinally disposed bore opening on one side of said core; a hammeradapted lor engagement with a pneumatic hammer or the like, rotatablyand slidably mounted Within said bore and having a plurality ofshoulders adapted to successively bevel, expand and bead the end of saidtube when reciprocated by said pneumatic hammer; and means for normallyunseating the shoulders oi' the hammer from the end of the tube whensaid core i s in operative position Within said tube.

G. A tool of the character described comprising a core adapted forinsertion Within the end et a tube or the like and having alongitudinally disposed bore opening on one side of said core; a hammeradapted for engagement with a pneumatic hammer or the like, rotatablyand slidably mounted Within said core and having a plurality ofshoulders adapted to successively bevel, expand and bead the end of saidtube When reciprocated by said pneumatic hammer; means for normallyunseating the shoulders of the hammer from the end of the tube When saidcore is in operative position Within said tube; and resilient means fornormally holding the core With the .hammer adjacent the interior Wall otthe tube.

7. il tool oi the character described comirising a core adapted forinsertion Within the end oi" a tube or the like and having alongitudinally disposed bore opening on one side et said core; a hammeradapted for engageinent with a pneumatic hammer or the like, rotatablyand slidably mounted Within said bore and having a plurality ofshoulders adapted to successively bevel, expand and bead the end of saidtube when reciprocated by said pneumatic hammer; means for normallyunseating the shoulders of the hammer from the end of the tube when saidcore is in an operative position Within said tube; and a resilient shimdetachably connected to the core and adapted to normally retain saidcore and hammer therein adjacent interior Wall ot said tube.

S. il. tool of the character described comprising a slidable androtative hammer having a plurality ol" shoulders thereon adapted tosuccessively bevel', expand and bead the end of a tube onto a boilerhead or the like; a core having a bore on one side thereol to slidablyand rotatably hold said hammer Within said tube and adjacentv theinternal Wall thereof; and resilient means iior preventing alongitiulinal movement of the core into the tube When the hammer isreciprocated.

9. il. tool of the character described comprising a slidable androtative hammer having a plurality of shoulders thereon adapted tosuccessively bevel, expand and bead the end ot a tube onto a boiler heador the like; a core having a bore on one side thereof to slidably androtatably hold said hammer Within said tube and adjacent the internalvail thereof; and means lier preventing 'withdrawal of the hammer fromthe core.

10. il tool of the character described comprising a core adapted forinsertion Within the end ot a tube or the like and having alongitudinally disposed bore opening on one side olf said core; a hammeradapted for engagement with a pneumatic hammer or the like, rotatablyand slidably mounted Within said bore and having a plurality ofshoulders adapted to successively bevel, expand and bead the end of saidtube when reciprocated by said pneumatic hammer; means for normallyunseating the shoulders of the hammer from the end oli' the tube Whensaid core is in an operative position Within said tube; a resilient shimdctachably connected to the core and adapted to normally retain saidcore and hammer therein adjacent the in- Aerior Wall ot' said tube; andmeans formed integral with the core for engaging the hammer to preventrotation thereof Within the bore While being reciprocated by thepneumatic hammer.

In witness whereof I hereunto set my signature.

WILLIAM A. FINDLE Y.

